Ski binding



FIG. 1 is a top plan view of a ski binding showing my new design, the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a side elevational view thereof, the opposite side view being a mirror image of that shown;

FIG. 3 is a front elevational view thereof; and,

FIG. 4 is a rear elevational view thereof.

The undisclosed bottom is flat and unornamented. 

The ornamental design for a ski binding, as shown and described. 